You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Longleaf Trail Vista, Kisatchie Nat. Forest c. 35 mi WNW of Alexandria Remove constraint Place: Longleaf Trail Vista, Kisatchie Nat. Forest c. 35 mi WNW of Alexandria Place Louisiana Remove constraint Place: Louisiana Place Natchitoches Remove constraint Place: Natchitoches Topic Lichens Remove constraint Topic: Lichens